Dr. Olivia Nguyen, MD
- Part D claims, 2024
- 575
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 500 NE Multnomah St, Portland, OR 97232
- Practice phone
- Call (503) 813-2440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Foundation Health Plan of the Northwest
Portland, Oregon
Find Dr. Nguyen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Olivia Nguyen is an internist in Portland, Oregon
Dr. Nguyen practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon.
Dr. Nguyen's NPI, 1639757305, was assigned on April 1, 2021. Dr. Nguyen graduated from Michigan State University College of Human Medicine in 2021. Dr. Nguyen holds Oregon license MD223737.
- NPI
- 1639757305NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224433107
- NPI enumeration date
- April 1, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 813-2440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Olivia Nguyen practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon
Dr. Nguyen's primary practice is Kaiser Foundation Health Plan of the Northwest, at 500 NE Multnomah St, Portland, OR 97232 in Multnomah County. The practice phone is (503) 813-2440.
- Kaiser Foundation Health Plan of the Northwest500 NE Multnomah St, Portland, OR 97232 · Multnomah CountyPhone(503) 813-2440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Olivia Nguyen is affiliated with 2 sites of care and 1 medical group
Dr. Nguyen's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. The medical group on file is Kaiser Permanente Northwest. Dmand AI also links Dr. Nguyen to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Olivia Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Foundation Health Plan of the Northwest | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Olivia Nguyen is one of 1,680 internists in Oregon
Internal medicine is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nguyen is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Nguyen
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Olivia Nguyen's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 43, with 67% women.
Dr. Nguyen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Olivia Nguyen wrote 575 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 575 Medicare Part D claims for 99 patients. 87% of them were for generic drugs. CMS names the drug for 279 of them, across 15 drugs with 11 or more claims each, at $4,409 in total drug cost.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic500 claims87%
- Brand-name61 claims11%
- Other14 claims2%
Dr. Nguyen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nguyen's Part D claims, 2024
- Opioids2%14 of 575 claims
- Antibiotics3%19 of 575 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Olivia Nguyen takes part in Medicare
Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Olivia Nguyen graduated from Michigan State University College of Human Medicine
Dr. Nguyen graduated from Michigan State University College of Human Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Olivia Nguyen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Olivia Nguyen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Olivia Nguyen's NPI number?
Dr. Olivia Nguyen's NPI number is 1639757305. It was assigned on April 1, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Olivia Nguyen?
Dr. Olivia Nguyen is an internist in Portland, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Olivia Nguyen practice?
Dr. Nguyen practices at 500 NE Multnomah St, Portland, OR 97232. Dr. Nguyen's primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Dmand AI also links Dr. Nguyen to 1 group practice or clinic.
What is Dr. Olivia Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (503) 813-2440.
What is Dr. Olivia Nguyen's medical license number?
Dr. Nguyen holds Oregon license MD223737.
What medical group is Dr. Olivia Nguyen part of?
Dr. Nguyen is linked to Kaiser Permanente Northwest.
Does Dr. Olivia Nguyen accept Medicare?
Yes. CMS lists Dr. Nguyen as accepting Medicare assignment.
Where did Dr. Olivia Nguyen go to medical school?
Dr. Nguyen graduated from Michigan State University College of Human Medicine in 2021.
What drugs does Dr. Olivia Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Losartan Potassium.
How long has Dr. Olivia Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2021, 5 years ago.
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